The tōnalpōhualli (Nahuatl pronunciation: [toːnaɬpoːˈwalːi]), meaning "count of days" in Nahuatl, is a Mexica version of the 260-day calendar in use in pre-Columbian Mesoamerica. This calendar is solar and consists of 20 13-day (trecena) periods. Each trecena is ruled by a different deity. Graphic representations for the twenty day names have existed among certain ethnic, linguistic, or archaeologically identified peoples.
HINT:
In this Dossier
Tōnalpōhualli in the context of Aztec calendar
The Aztec or Mexica calendar is the calendrical system used by the Aztecs as well as other Pre-Columbian peoples of central Mexico. It is one of the Mesoamerican calendars, sharing the basic structure of calendars from throughout the region.
The Aztec sun stone, often erroneously called the calendar stone, is on display at the National Museum of Anthropology in Mexico City.The actual Aztec calendar consists of a 365-day calendar cycle called xiuhpōhualli (year count), and a 260-day ritual cycle called tōnalpōhualli (day count). These two cycles together form a 52-year "century", sometimes called the "calendar round". The xiuhpōhualli is considered to be the agricultural calendar, since it is based on the sun, and the tōnalpōhualli is considered to be the sacred calendar.
View the full Wikipedia page for Aztec calendar